exam Maths Puzzle Numerical Ability

Solve
x^2+18x-4=0

Read Solution (Total 0)

exam Other Question

Simplify the expression. Write answer with positive exponents. Assume that all variabls reperesent positive real numbers.
(-27x^9)^1/3 Two (2) planes leave at the same time. One flies west 300 km per hour. The other flies east 450 km per hour. In how many hours will they be 2 250 km apart.